JERUSALEM — Palestinian Prime Minister Salam Fayyad submitted his resignation Saturday in a move intended to bolster unity talks that open Tuesday between Fatah, which rules the West Bank, and the Hamas movement, which controls the Gaza Strip.

Fayyad, a technocrat, gained the respect of foreign governments for his close supervision of the spending of aid funds, but Hamas, which controls the majority of seats in the Palestinian parliament, views his government as illegal.

Hamas seized control of Gaza in a violent coup in 2007, after which Palestinian President Mahmoud Abbas dissolved the government and appointed Fayyad prime minister.

The international community has largely ostracized Hamas until it agrees to recognize Israel and halts rocket attacks against Israel, and Israel has blockaded the Gaza Strip, allowing in only limited humanitarian relief.

Abbas spokesman Nabil Abu Rudeineh expressed hope that the creation of a unity government would end the blockade of Gaza and lead to international recognition of a joint Palestinian government.

“The aim of the president is for a government that would end the siege, a government that would be accepted by the world and not boycotted,” he told McClatchy.

Fayyad said Saturday that he was resigning to “support the efforts being exerted to form a national consensus government that would reunite the homeland.”

Starting Tuesday, leading Hamas and Fatah officials will meet at an office of the Egyptian intelligence service in Cairo, said Nabil Shaath, a senior Fatah negotiator.

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